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Guan Le

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Guan Le

  • 301.286.1087 | 301.286.1648
  • NASA/GSFC
  • Mail Code: 675
  • Greenbelt , MD 20771
  • Employer: NASA

    • Brief Bio

    Dr. Le has authored or co-authored over 100 peer reviewed scientific publications and technical papers. Her research interests include magnetospheric current systems; ULF waves in the region upstream of collisionless shocks, in the magnetosphere and on the ground; the Earth's magnetopause, polar cusp and boundary layers; solar wind-magnetosphere-ionosphere coupling; and plasma irregularities in equatorial ionosphere. Her research activities primarily involved the analysis and interpretation of spacecraft data and ground-based magnetic field data as they relate to these research areas. She has been involved in flight teams for six NASA missions. She is currently the Project Scientist for Geotail mission, the Deputy Project Scientist for Magnetospheric MultiScale (MMS) mission, and a science Co-Investigator for Communication/Navigation Outage Forecast Satellite (C/NOFS) mission. 

    Education

    B.S. (Physics),  University of Science and Technology of China
    M.S. (Geophysics and Space Physics),  University of California, Los Angeles
    Ph.D. (Geophysics and Space Physics), University of California, Los Angeles

    Selected Publications

    Refereed

    Le, G., P. J. Chi, X. Blanco-Cano, et al. S. A. Boardsen, J. A. Slavin, and B. J. Anderson. 2013. "Upstream ultra-low frequency waves in Mercury’s foreshock region: MESSENGER magnetic field observations." J. Geophys. Res. Space Physics, 118: 2809-2823 [10.1002/jgra.50342]

    Le, G., R. F. Pfaff, W. J. Burke, et al. H. T. Freudenreich, S. Maus, and H. Lühr. 2011. "C/NOFS measurements of magnetic perturbations in the low-latitude ionosphere during magnetic storms." J. Geophys. Res., 116: A12230 [10.1029/2011JA017026]

    Le, G., P. J. Chi, R. J. Strangeway, and J. A. Slavin. 2011. "Observations of a unique type of ULF wave by low-altitude Space Technology 5 satellites." Journal of Geophysical Research (Space Physics), 116: [8203-10.1029/2011JA016574]

    Le, G., J. A. Slavin, and R. J. Strangeway. 2010. "Space Technology 5 observations of the imbalance of regions 1 and 2 field-aligned currents and its implication to the cross-polar cap Pedersen currents." Journal of Geophysical Research (Space Physics), 115: [7202-10.1029/2009JA014979]

    Le, G., Y. Wang, J. A. Slavin, and R. J. Strangeway. 2009. "Space Technology 5 multipoint observations of temporal and spatial variability of field-aligned currents." Journal of Geophysical Research (Space Physics), 114: [8206-10.1029/2009JA014081]

    Le, G., Y. Zheng, C. T. Russell, et al. R. F. Pfaff, J. A. Slavin, N. Lin, F. Mozer, G. Parks, M. Wilber, S. M. Petrinec, E. A. Lucek, and H. Reme. 2008. "Flux transfer events simultaneously observed by Polar and Cluster: Flux rope in the subsolar region and flux tube addition to the polar cusp." Journal of Geophysical Research (Space Physics), 113:

    Le, G., C. Russell, and K. Takahashi. 2004. "Morphology of the ring current derived from magnetic field observations." Annales Geophysicae, 22: 1267-1295 [10.5194/angeo-22-1267-2004]

    Le, G., S. H. Chen, Y. Zheng, et al. C. T. Russell, J. A. Slavin, C. Huang, S. M. Petrinec, T. E. Moore, J. Samson, H. J. Singer, and K. Yumoto. 2004. "Coordinated polar spacecraft; geosynchronous spacecraft; and ground-based observations of magnetopause processes and their coupling to the ionosphere." ANNALES GEOPHYSICAE, 22: 4329-4350.

    Le, G., C.-S. Huang, R. F. Pfaff, et al. S.-Y. Su, H.-C. Yeh, R. A. Heelis, F. J. Rich, and M. Hairston. 2003. "Plasma density enhancements associated with equatorial spread F: ROCSAT-1 and DMSP observations." Journal of Geophysical Research (Space Physics), 108: [1318-10.1029/2002JA009592]

    Le, G., G. Lu, R. J. Strangeway, and R. F. Pfaff. 2002. "Strong interplanetary magnetic field By-related plasma convection in the ionosphere and cusp field-aligned currents under northward interplanetary magnetic field conditions." Journal of Geophysical Research (Space Physics), 107: [1477-10.1029/2001JA007546]

    Le, G., X. Blanco-Cano, C. T. Russell, et al. X.-W. Zhou, F. Mozer, K. J. Trattner, S. A. Fuselier, and B. J. Anderson. 2001. "Electromagnetic ion cyclotron waves in the high altitude cusp: Polar observations." Journal of Geophysical Research, 106: 19067-19080 [10.1029/2000JA900163]

    Brief Bio

    Dr. Le has authored or co-authored over 100 peer reviewed scientific publications and technical papers. Her research interests include magnetospheric current systems; ULF waves in the region upstream of collisionless shocks, in the magnetosphere and on the ground; the Earth's magnetopause, polar cusp and boundary layers; solar wind-magnetosphere-ionosphere coupling; and plasma irregularities in equatorial ionosphere. Her research activities primarily involved the analysis and interpretation of spacecraft data and ground-based magnetic field data as they relate to these research areas. She has been involved in flight teams for six NASA missions. She is currently the Project Scientist for Geotail mission, the Deputy Project Scientist for Magnetospheric MultiScale (MMS) mission, and a science Co-Investigator for Communication/Navigation Outage Forecast Satellite (C/NOFS) mission. 

    Selected Publications

    Refereed

    Le, G., P. J. Chi, X. Blanco-Cano, et al. S. A. Boardsen, J. A. Slavin, and B. J. Anderson. 2013. "Upstream ultra-low frequency waves in Mercury’s foreshock region: MESSENGER magnetic field observations." J. Geophys. Res. Space Physics 118 2809-2823 [10.1002/jgra.50342]

    Le, G., R. F. Pfaff, W. J. Burke, et al. H. T. Freudenreich, S. Maus, and H. Lühr. 2011. "C/NOFS measurements of magnetic perturbations in the low-latitude ionosphere during magnetic storms." J. Geophys. Res. 116 A12230 [10.1029/2011JA017026]

    Le, G., P. J. Chi, R. J. Strangeway, and J. A. Slavin. 2011. "Observations of a unique type of ULF wave by low-altitude Space Technology 5 satellites." Journal of Geophysical Research (Space Physics) 116 [8203-10.1029/2011JA016574]

    Le, G., J. A. Slavin, and R. J. Strangeway. 2010. "Space Technology 5 observations of the imbalance of regions 1 and 2 field-aligned currents and its implication to the cross-polar cap Pedersen currents." Journal of Geophysical Research (Space Physics) 115 [7202-10.1029/2009JA014979]

    Le, G., Y. Wang, J. A. Slavin, and R. J. Strangeway. 2009. "Space Technology 5 multipoint observations of temporal and spatial variability of field-aligned currents." Journal of Geophysical Research (Space Physics) 114 [8206-10.1029/2009JA014081]

    Le, G., Y. Zheng, C. T. Russell, et al. R. F. Pfaff, J. A. Slavin, N. Lin, F. Mozer, G. Parks, M. Wilber, S. M. Petrinec, E. A. Lucek, and H. Reme. 2008. "Flux transfer events simultaneously observed by Polar and Cluster: Flux rope in the subsolar region and flux tube addition to the polar cusp." Journal of Geophysical Research (Space Physics) 113

    Le, G., C. Russell, and K. Takahashi. 2004. "Morphology of the ring current derived from magnetic field observations." Annales Geophysicae 22 1267-1295 [10.5194/angeo-22-1267-2004]

    Le, G., S. H. Chen, Y. Zheng, et al. C. T. Russell, J. A. Slavin, C. Huang, S. M. Petrinec, T. E. Moore, J. Samson, H. J. Singer, and K. Yumoto. 2004. "Coordinated polar spacecraft; geosynchronous spacecraft; and ground-based observations of magnetopause processes and their coupling to the ionosphere." ANNALES GEOPHYSICAE 22 4329-4350

    Le, G., C.-S. Huang, R. F. Pfaff, et al. S.-Y. Su, H.-C. Yeh, R. A. Heelis, F. J. Rich, and M. Hairston. 2003. "Plasma density enhancements associated with equatorial spread F: ROCSAT-1 and DMSP observations." Journal of Geophysical Research (Space Physics) 108 [1318-10.1029/2002JA009592]

    Le, G., G. Lu, R. J. Strangeway, and R. F. Pfaff. 2002. "Strong interplanetary magnetic field By-related plasma convection in the ionosphere and cusp field-aligned currents under northward interplanetary magnetic field conditions." Journal of Geophysical Research (Space Physics) 107 [1477-10.1029/2001JA007546]

    Le, G., X. Blanco-Cano, C. T. Russell, et al. X.-W. Zhou, F. Mozer, K. J. Trattner, S. A. Fuselier, and B. J. Anderson. 2001. "Electromagnetic ion cyclotron waves in the high altitude cusp: Polar observations." Journal of Geophysical Research 106 19067-19080 [10.1029/2000JA900163]

                                                                                                                                                                                            
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    • Last Updated: 03/29/2023